US2262629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Base for electric lamp or similar device
Assignee: General Electric Co
•
Filing: 1940-02-14
•
Granted: 1941-11-11
•
Expires: 1960-02-14
Abstract
No abstract record available.
Inventors
- 👤 Daniel K Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:54
CPC Classifications
C; C10; C10G; C10G9/00; C10G9/14; C10G9/18; C10G9/20; F; F23; F23M; F23M5/00; H; H01; H01K; H01K1/00; H01K1/42; H01K1/46; F23M2700/00; F23M2700/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-11-10 | 1945-05-12 | 1945-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-10 | 1949-05-12 | 1949-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-10 | 1953-05-12 | 1953-11-11 | $7700.00 | Window Closed / Lapsed |